1 files changed, 14 insertions, 1 deletions
diff --git a/param.ccl b/param.ccl
index f086862..a34d94d 100644
--- a/param.ccl
+++ b/param.ccl
@@ -12,17 +12,30 @@ restricted:
 ####################
 STRING out_dir "Default output directory" STEERABLE = RECOVER
 {
-  .+ :: "A valid directory name"
+  ".+" :: "A valid directory name"
 } "."
 
 ########################
 # How often to do output
 ########################
+KEYWORD out_criterion "Criterion to select output intervals"
+{
+  "never"     :: "Never output"
+  "iteration" :: "Output every so many iterations"
+  "time"      :: "Output every that much coordinate time"
+} "iteration"
 INT out_every "How often to do output by default" STEERABLE = ALWAYS
 {
    1:* :: "Every so many iterations"
   -1:0 :: "Disable output"
 } -1
+REAL out_dt "How often to do output by default" STEERABLE = ALWAYS
+{
+  (0:* :: "In intervals of that much coordinate time"
+   0   :: "As often as possible"
+  -1   :: "Disable output"
+  -2   :: "Disable output"
+} -2
 
 ################
 # various things